Diesel Fuel Mileage Est.
Hello, I am considering moving to a deisel engine in my next truck. Primary reason is for increased fuel mileage. I tow a 23' travel trailer that weighs approx 6,000 lbs loaded. I know there are many...
Forum Discussion
Cummins12V98 wrote:We were coming downhill from Albuquerque to Amarillo with an almost 40 mph tailwind the whole way and averaged 14 mpg. That's with a 2001 Dodge Cummins dually pulling a 15,000 lb. triple axle toyhauler. When we pulled our Big Sky at 12,000 lbs. we would average around 12 mpg. These are real world figures, not off the overhead monitor.
"With my 1999 Dodge 2500 Cummins 24 valve diesel 4x4 with 410 gears and OD, we got 16.1 mpg towing our tri axle Stealth Toy Hauler"
Must have had a nice tail wind!
16.1 must have been on a downhill 2 mile stretch with a tailwind and the motor idling in neutral, and figuring mileage off the overhead monitor. That's about the only way.
